---
title: units
framework: mapkit
role: symbol
role_heading: Instance Property
path: mapkit/mkdistanceformatter/units-swift.property
---

# units

The measuring system — imperial or metric — to use for units.

## Declaration

```swift
var units: MKDistanceFormatter.Units { get set }
```

## Discussion

Discussion You can use this property to explicitly set the measuring system for units. The default value of this property is MKDistanceFormatter.Units.default, which bases the measuring system on the user’s locale.

## See Also

### Specifying the format

- [locale](mapkit/mkdistanceformatter/locale.md)
- [MKDistanceFormatter.Units](mapkit/mkdistanceformatter/units-swift.enum.md)
- [unitStyle](mapkit/mkdistanceformatter/unitstyle.md)
- [MKDistanceFormatter.DistanceUnitStyle](mapkit/mkdistanceformatter/distanceunitstyle.md)